Samsung A40 Won't Turn On When Wet Schematic Analysis Measurement Oscilloscope Tutorial Repair

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Optimus Repair

Published on Premiered Jul 31, 2024
About :

Do you have a phone that got wet and won't turn on? Did you take it in for repair and they couldn't fix it? Well today we have one of these cases, a Samsung A40 that got wet and they applied a lot of heat to re-solder the components. We are going to learn a little about the review technique to correctly diagnose this type of failure by making the corresponding measurements and analysis, this time we combine the use of multimeter measurement and microsoldering and reballing techniques. 00:00 Failure Explanation 01:20 Explanation of the Procedure to Perform the Change 03:12 PMIC Power Measurement 05:16 Schematic Analysis 06:10 Measurement with Oscilloscope 14:38 CPU Reballign 28:35 CPU Mounting 32:15 Testing of repaired equipment 22:25 Final Recommendation and Advice on the case Don't forget to leave your comments to improve future videos and other topics of interest to all of you. Register on the Official Page of our Online Academy: https://optimus.academy/register/ Information for Training at Optimus Academy: https://optimus.academy/cursos/ Questions and Contributions: https://optimus.academy/foro/ Follow us on our Social Networks: Instagram: / optimusrepair Facebook: / optimusrepair Tiktok: / optimusrepair Contact for Collaboration and Commercial Proposals (Not technical inquiries): [email protected]

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